EP2530348A1 - Leistungsübertragungsvorrichtung - Google Patents

Leistungsübertragungsvorrichtung Download PDF

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Publication number
EP2530348A1
EP2530348A1 EP11737048A EP11737048A EP2530348A1 EP 2530348 A1 EP2530348 A1 EP 2530348A1 EP 11737048 A EP11737048 A EP 11737048A EP 11737048 A EP11737048 A EP 11737048A EP 2530348 A1 EP2530348 A1 EP 2530348A1
Authority
EP
European Patent Office
Prior art keywords
clutch
pressure
pressure member
clutch plates
intermediate member
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP11737048A
Other languages
English (en)
French (fr)
Other versions
EP2530348B1 (de
EP2530348A4 (de
Inventor
Makoto Kataoka
Naoyuki Miwa
Satoru Kashiwagi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
FCC Co Ltd
Original Assignee
FCC Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by FCC Co Ltd filed Critical FCC Co Ltd
Publication of EP2530348A1 publication Critical patent/EP2530348A1/de
Publication of EP2530348A4 publication Critical patent/EP2530348A4/de
Application granted granted Critical
Publication of EP2530348B1 publication Critical patent/EP2530348B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D13/00—Friction clutches
    • F16D13/22—Friction clutches with axially-movable clutching members
    • F16D13/38—Friction clutches with axially-movable clutching members with flat clutching surfaces, e.g. discs
    • F16D13/52—Clutches with multiple lamellae ; Clutches in which three or more axially moveable members are fixed alternately to the shafts to be coupled and are pressed from one side towards an axially-located member
    • F16D13/54—Clutches with multiple lamellae ; Clutches in which three or more axially moveable members are fixed alternately to the shafts to be coupled and are pressed from one side towards an axially-located member with means for increasing the effective force between the actuating sleeve or equivalent member and the pressure member
    • F16D13/56—Clutches with multiple lamellae ; Clutches in which three or more axially moveable members are fixed alternately to the shafts to be coupled and are pressed from one side towards an axially-located member with means for increasing the effective force between the actuating sleeve or equivalent member and the pressure member in which the clutching pressure is produced by springs only
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D13/00—Friction clutches
    • F16D13/22—Friction clutches with axially-movable clutching members
    • F16D13/38—Friction clutches with axially-movable clutching members with flat clutching surfaces, e.g. discs
    • F16D13/52—Clutches with multiple lamellae ; Clutches in which three or more axially moveable members are fixed alternately to the shafts to be coupled and are pressed from one side towards an axially-located member
    • F16D13/54—Clutches with multiple lamellae ; Clutches in which three or more axially moveable members are fixed alternately to the shafts to be coupled and are pressed from one side towards an axially-located member with means for increasing the effective force between the actuating sleeve or equivalent member and the pressure member
    • F16D13/56—Clutches with multiple lamellae ; Clutches in which three or more axially moveable members are fixed alternately to the shafts to be coupled and are pressed from one side towards an axially-located member with means for increasing the effective force between the actuating sleeve or equivalent member and the pressure member in which the clutching pressure is produced by springs only
    • F16D2013/565—Clutches with multiple lamellae ; Clutches in which three or more axially moveable members are fixed alternately to the shafts to be coupled and are pressed from one side towards an axially-located member with means for increasing the effective force between the actuating sleeve or equivalent member and the pressure member in which the clutching pressure is produced by springs only with means for releasing the clutch pressure in case of back torque

Definitions

  • the present invention relates to a power transmitting apparatus for arbitrarily transmitting or cutting-off a rotational power of the input member to or from the output member.
  • the power transmission apparatus for a motorcycle is intended to arbitrarily transmit or cut-off a power of an engine to a transmission and a driving wheel and comprises an input member connected to an engine-side, an output member connected to the transmission and the driving wheel-side, and a clutch member connected to the output member.
  • the power may be transmitted by pressure-contacting a plurality of driving clutch plates with the driven clutch plates and cut-off by releasing the pressure-contacting force between the driving clutch plates and driven clutch plates.
  • the power transmitting apparatus of the prior art comprises a clutch housing rotatable together with an input member and mounted thereon a plurality of driving clutch plates, a plurality of driven clutch plates alternately arranged between the driving clutch plates of the clutch housing, a clutch member connected to an output member, a pressure member mounted on the clutch member axially movably relative to the clutch member for carrying out the pressure-contact or release between the driving clutch plates and the driven clutch plates along with its axial movement relative to the clutch member, an intermediate member spline-fitted thereon with the driven clutch plates and is constructed so that a rotational power inputted to the input member may be transmitted or cut-off to or from the output member by performing pressure-contact or release between the driving clutch plates and the driven clutch plates.
  • a power transmitting apparatus comprising a back-torque limiting cam comprising clutch member-side cam surfaces formed on the clutch member and intermediate member-side cam surfaces formed on the intermediate member and adapted to axially move the pressure member and the clutch member by the cam action between the clutch member-side cam surfaces and the intermediate member-side cam surfaces to release the pressure-contact between the driving clutch plates and the driven clutch plates when the rotational speed of the output member has exceeded that of the input member and a relative rotation between the pressure member as well as the intermediate member and the clutch member has caused (see e.g. Patent Documents 1 and 2).
  • an object of the present invention to provide a power transmitting apparatus which may surely prevent the instantaneous reciprocation of the pressure member when the back-torque limiting cam is operated and thus improve the operability of the clutch operation.
  • a power transmitting apparatus comprising a clutch housing rotatable together with an input member and mounted thereon a plurality of driving clutch plates; a plurality of driven clutch plates alternately arranged between the driving clutch plates of the clutch housing; a clutch member connected to an output member; a pressure member mounted on the clutch member axially movably relative to the clutch member for carrying out the pressure-contact or release between the driving clutch plates and the driven clutch plates along with its axial movement relative to the clutch member; an intermediate member spline-fitted thereon with the driven clutch plates and interposed between the clutch member and the pressure member so as to be rotated together therewith; a plurality of urging devices, one ends (hereinafter referred to as "outer ends”) of them being mounted on a securing member secured on a boss portion projected from the clutch member and the other ends (hereinafter referred to as "inner ends”) of them being mounted on the pressure member, the urging devices being arranged so that
  • a power transmitting apparatus of claim 2 is that of claim 1 wherein the urging force cut-off device comprises moving members interposed between the inner ends of the urging devices and the pressure member, and wherein the moving members may separate the inner ends of the particular urging devices from the pressure member with the moving members being pushed and thus moved by the intermediate member when the intermediate member is moved toward the pressure member by the action of the back-torque limiting cam.
  • a power transmitting apparatus of claim 3 is that of claim 2 wherein the pressure member is formed with recessed portions for receiving the urging devices each having a bottom formed with an opening, wherein arbitrary ones of the recessed portions are adapted to receive the particular urging devices and the moving members, and wherein each of the moving members has a projection adapted to be projected from the opening of the recessed portion toward the intermediate member.
  • a power transmitting apparatus of claim 4 is that of claim 3 wherein a plurality of the recessed portions are formed on a concentric circumference of the pressure member, and wherein the recessed portions for receiving particular urging devices and the moving members are formed on a circumference of the pressure member at a substantially equidistantly apart from each other.
  • the power transmitting apparatus is provided with an urging force cut-off device for cutting-off the urging force applied to the pressure member from particular urging devices of the plurality of urging devices by separating the inner ends of the particular urging devices from the pressure member when the intermediate member is moved toward the pressure member by the action of the back-torque limiting cam, it is possible to surely prevent the instantaneous reciprocation of the pressure member when the back-torque limiting cam is operated and thus improve the operability of the clutch operation.
  • the urging force cut-off device comprises moving members interposed between the inner ends of the urging devices and the pressure member, and the moving members may separate the inner ends of the particular urging devices from the pressure member with the moving members being pushed and thus moved by the intermediate member when the intermediate member is moved toward the pressure member by the action of the back-torque limiting cam, it is possible to surely prevent with a simple structure the instantaneous reciprocation of the pressure member when the back-torque limiting cam is operated and thus improve the operability of the clutch operation.
  • the pressure member is formed with recessed portions for receiving the urging devices each having a bottom formed with an opening, arbitrary ones of the recessed portions are adapted to receive the particular urging devices and the moving members, and each of the moving members has a projection adapted to be projected from the opening of the recessed portion toward the intermediate member, it is possible to more surely separate the inner ends of the particular urging devices from the pressure member and arbitrarily control the timing of separating the inner ends of the particular urging devices from the pressure member by setting various projected dimensions of the projections.
  • the recessed portions are formed on a concentric circumference of the pressure member, and the recessed portions for receiving particular urging devices and the moving members are formed on a circumference of the pressure member at a substantially equidistantly apart from each other, it is possible to stably hold the pressure member when the inner ends of the particular urging devices are separated from the pressure member during the movement of the intermediate member toward the pressure member by action of the back-torque limiting cam.
  • a power transmitting apparatus of a first embodiment of the present invention is mounted on a vehicle such as a motorcycle to arbitrarily transmit or cut-off the driving power of an engine to or from a transmission or driving wheel.
  • the power transmitting apparatus of the present invention mainly comprises a clutch housing 2 on which a gear 1 as an input member is mounted, a clutch member 4 connected to a shaft 3 forming an output member, a pressure plate 5 mounted on the clutch member 4 at its right-hand end (in view of Fig.
  • an intermediate member 10 driving clutch plates 6 connected to the clutch housing 2, driven clutch plates 7 connected to the intermediate member 10, clutch springs Sa, Sb acting as an urging devices, a back-torque limiting cam (clutch member-side cam surfaces 12a and intermediate member-side cam surfaces 14a), and moving members 15 acting as an urging force cut-off device.
  • a reference character "Sc" denotes a spring for urging the intermediate member 10 toward the clutch member 4, so as to, in a normal condition, make the clutch member-side cam surfaces 12a and intermediate member-side cam surfaces 14a are opposed to each other.
  • the gear 1 may be rotated around the shaft 3 by the driving power (rotational power) transmitted from an engine and connected to the clutch housing 2 via rivets 8 etc.
  • the clutch housing 2 is formed as a cylindrical casing opened at a right-hand end in drawings and a plurality of driving clutch plates 6 are mounted on the inner circumference walls of the clutch housing 2.
  • Each of the driving clutch plates 6 comprises a substantially annular plates and is adapted to be rotated together with the clutch housing 2 and axially slidable (left-hand and right-hand directions in the drawings).
  • the clutch member 4 comprises a member to be arranged within the clutch housing 2.
  • the clutch member 4 is connected to the shaft 3 at its center via spline fitting and the shaft 3 rotates in unison with the clutch member 4.
  • the pressure member 5 is arranged at the right-hand side of Fig. 1 relative to the clutch member 4 via the intermediate member 10 and normally urged toward the left-hand side by the clutch springs Sa, Sb and adapted to pressure-contact or release (i.e. separate) the driving clutch plates 6 and driven clutch plates 7 each other in accordance with the axial shift (left and right directions in Fig. 1 ) of the pressure member 5 relative to the clutch member 4.
  • the intermediate member 10 is formed with spline grooves on its circumference on which the driven clutch plates 7 are spline fitted and is arranged between the clutch member 4 and the pressure member 5 so as to be rotated together with them.
  • the spline grooves are formed on the intermediate member 10 on its whole circumference as shown in Fig. 9 and the driven clutch plates 7 are fitted on the spline grooves. This arrangement allows, although the movement of the driven clutch plates 7 in the rotational direction is restricted, the driven clutch plates 7 to be rotated together with the intermediate member 10 while allowing the axial movement of the driven clutch plates 7 relative to the intermediate member 10.
  • driven clutch plates 7 are arranged alternately with the driving clutch plates 6 so as to form a lamination therewith and adapted to be pressure-contacted or released to or from each other. That is, both the clutch plates 6, 7 are pressure-contacted when the pressure member 5 is pressed toward the left-hand direction in Fig.1 and enable the rotational power of the clutch housing 2 to be transmitted to the clutch member 4 and the shaft 3 via the intermediate member 10. On the other hand, the clutch plates 6, 7 are released (separated) when the urging force of the pressure member 5 is released and the rotational power of the clutch housing 2 may not be transmitted to the clutch member 4 and thus to the shaft 3.
  • release of the clutch plates 6, 7 means a condition in which the pressure-contact is lost and thus the clutch member 4 does not follow the rotation of the clutch housing 2 (i.e. a condition in which the driving clutch plates 6 slide on the driven clutch plates 7) and thus it is out of the question whether there is any clearance between the clutch plates 6, 7.
  • the circumferential edge surface of the pressure member 5 abuts against the driving clutch plate 6 (or driven clutch plate 7) positioned at a most right position and both the clutch plates 6, 7 are normally pressure-contacted each other by the pressure member 5 urged by the clutch springs Sa, Sb. Accordingly, the clutch housing 2 and the clutch member 4 are kept in a normally connected condition so that the gear 1 may rotate the shaft 3 when the rotational power is inputted to the gear 1.
  • the circumferential edge surface of the clutch member 4 abuts against the driving clutch plate 6 (or driven clutch plate 7) positioned at a most left position.
  • An axially extending push rod 9 is arranged within the shaft 3.
  • the pressure member 5 may be moved toward a right direction against the clutch springs Sa, Sb when a driver of a motorcycle operates a push rod 9 to move it toward the right-hand direction by operating the operating device (clutch lever) not shown in the figures.
  • the pressure-contacting force between the driving and driven clutch plates 6 and 7 is released when the pressure member 5 is moved toward the right-hand direction, and thus the rotational power inputted to the gear 1 and the clutch housing 2 is cut-off and thus may not be transmitted to the shaft 3.
  • a reference numeral 4a denotes boss portions projected from the clutch member 4 toward the pressure member 5 for mounting the clutch springs (urging devices) Sa thereon.
  • a reference character B denotes bolts secured on the boss portion 4a for mounting a stay L acting as a securing member for the clutch springs Sa, Sb. That is, the clutch springs Sa, Sb are mounted between the stay L and bottoms of recessed portions 5a formed on the pressure member 5 as described later more in detail.
  • a plurality (six in the illustrated embodiment) of recessed portions 5a are formed on the pressure member 5 on a concentric circle thereof. Each recessed portion is formed with an opening 5aa.
  • the recessed portions 5a are adapted to receive the clutch springs Sa, Sb (urging devices) and the boss portions 4a are inserted through the recessed portions 5a for receiving the clutch springs Sa and moving members 15 are arranged in the openings 5aa formed in the bottoms of the recessed portions 5a for receiving the clutch springs Sb.
  • the stay (securing member) L comprises an annular metallic member and is secured on the projected ends of the boss portions 4a projected from the clutch member 4 by the bolts B.
  • the stay L is formed with apertures H at positions corresponding to the recessed portions 5a of the pressure member 5 and the apertures H corresponding to the recessed portions 5a receiving the clutch springs Sa are formed with projections Ha.
  • One end (outer end) of each clutch spring Sa is secured around each projection Ha.
  • the clutch springs (urging devices) Sa, Sb comprises a plurality of coil springs outer ends (the right-hand ends in Fig. 1 ) of which are mounted on the stay L (securing member) and the inner ends (the left-hand ends in Fig. 1 ) of which are mounted on the pressure member 5 via moving members (urging force cut-off device) 15.
  • the clutch springs Sa, Sb are intended to normally urge the pressure member 5 toward the intermediate member 10 and the clutch member 4 (toward the left-hand direction in Fig. 1 ) so as to normally press-contact the driving clutch plates 6 and the driven clutch plates 7.
  • a cam forming member 12 is secured on the clutch member 4 via rivets 11 and on the other hand a cam forming member 14 is secured on the intermediate member 10 via rivets 13.
  • These cam forming members 12, 14 are assembled so that they are opposed each other.
  • the cam forming member 12 is formed with clutch member-side cam surfaces 12a and the cam forming member 14 is formed with intermediate member-side cam surfaces 14a. These cam surfaces 12a, 14a are assembled so that they are opposed each other to form the back-torque limiting cam of the present embodiment.
  • the back-torque limiting cam comprises clutch member-side cam surfaces 12a formed on the clutch member 4 via the cam forming member 12 and the intermediate member-side cam surfaces 14a formed on the intermediate member 10 via the cam forming member 14 and is constructed so that the cam action caused by the clutch member-side cam surfaces 12a and the intermediate member-side cam surfaces 14a may displace the intermediate member 10 toward an axial direction (upward in Fig. 4(b) ) by a distance "t" in order to separate the driving clutch plates 6 and the driven clutch plates 7 as shown in Fig. 4 when the rotational speed of the shaft 3 (output member) has exceeded that of the input member such as the gear 1 and thus a relative rotation between the intermediate member 10 and the clutch member 4 has caused.
  • the axial displacement of the intermediate member 10 caused by the back-torque limiting cam may be limited to the predetermined distance when the rotational speed of the shaft 3 (output member) has exceeded that of the input member such as the gear 1 and a relative rotation between the intermediate member 10 and the clutch member 4 has caused.
  • the power transmitting apparatus comprises an urging force cut-off device comprising moving members 15.
  • the urging force cut-off device is constructed so that it cuts off the urging force applied from the clutch springs Sb (particular urging devices) to the pressure member 5 by separating the inner ends of the clutch springs Sb (particular urging devices) of the plurality (six in the illustrated embodiment) of clutch springs Sa, Sb (urging devices) from the pressure member 5 (see Fig. 11 ) when the intermediate member 10 is moved toward the pressure member 5 (toward the right-hand direction in Fig. 1 ) by the cam action of the back-torque limiting cam.
  • Each moving member 15 (urging force cut-off device) comprises a cylindrical member having a base end portion 15a formed of flange and a projected portion 15b adapted to be projected from the opening 5aa of the recessed portion 5a toward the intermediate member 10 (in particular the cam forming member 14).
  • the base end portion 15a acts as a stopper for preventing the moving member 15 from being slipped off through the opening 5aa.
  • the projected portion 15b acts as a part to be pressed by the intermediate member 10 when the intermediate member 10 is moved toward the pressure member 5 by the cam action of the back-torque limiting cam.
  • the moving members 15 may separate the inner ends of the clutch springs Sb (particular urging devices) as shown in Fig. 11 with being pressed by the intermediate member 10 and moved toward the right-hand direction in Fig. 11 when the intermediate member 10 is moved toward the pressure member 5 by the cam action of the back-torque limiting cam. That is, the urging force applied by the particular clutch springs Sb (particular urging devices) to the pressure member 5 may be cut off by separating the inner ends of the particular clutch springs Sb (particular urging devices) of the plurality (six) of the clutch springs Sa, Sb (urging devices) from the pressure member 5 when the intermediate member 10 is moved toward the pressure member 5 by the cam action of the back-torque limiting cam.
  • the urging force applied to the pressure member 5 amounts to a value obtained by subtracting the urging force of the particular springs Sb from that of the clutch springs (Sa + Sb).
  • the present invention comprises the moving member 15 which may cut off the urging force applied by the particular urging devices (clutch springs Sb) to the pressure member 5 by separating the inner ends of the particular urging devices (clutch springs Sb) of the plurality of urging devices (clutch springs Sa, Sb) when the intermediate member 10 is moved toward the pressure member 5 by the cam action of the back-torque limiting cam.
  • the urging force cut-off device comprises moving members 15 interposed between the inner ends of the particular urging devices (clutch springs Sb) and the pressure member 5 and since the moving members 15 may separate the inner ends of the particular urging devices (clutch springs Sb) from the pressure member 5 with being pressed by the intermediate member 10 when the intermediate member 10 is moved toward the pressure member 5 by the cam action of the back-torque limiting cam, it is possible to surely prevent instantaneous reciprocal motion of the pressure member 5 by a simple structure when the back-torque limiting cam is actuated and thus to improve the operability of the clutch operation.
  • the pressure member 5 is formed with the recessed portions 5a each having the opening for receiving the urging devices (clutch springs Sa, Sb) and the particular urging devices (clutch springs Sb) and the moving members 15 are received in the arbitrary recessed portions 5a and each moving member 15 has projected portions 15b projected toward the intermediate member 10 from the opening 5aa of the recessed portion5a, it is possible to more surely separate the inner ends of the particular urging devices (clutch springs Sb) from the pressure member 5. Furthermore, it is possible to arbitrarily adjust the timing (operation starting timing of the moving members 15) for separating the inner ends of the particular urging devices (clutch springs Sb) from the pressure member 5 by setting various dimensions of projections of the projected portions 15b.
  • a plurality of the recessed portions 5a is formed on a concentric circumference of the pressure member 5, and the recessed portions 5a for receiving particular urging devices (clutch springs Sb) and the moving members 15 are formed on a circumference of the pressure member 5 at a substantially equidistantly apart from each other (every other three ones of six recessed portions 5a in the illustrated embodiment) ( Fig.2 ), it is possible to stably hold the pressure member 5 when the inner ends of the particular urging devices (clutch springs Sb) are separated from the pressure member 5 during the movement of the intermediate member 10 toward the pressure member 5 by action of the back-torque limiting cam and thus the urging force from the clutch springs Sa is substantially equally-applied in the circumferential direction of the pressure member 5.
  • a power transmitting apparatus of the second embodiment of the present invention is intended to be mounted on a vehicle such as a motorcycle and to arbitrarily transmit or cut-off the driving power of an engine to or from a transmission or driving wheel. As shown in Figs.
  • the power transmitting apparatus of the present invention mainly comprises a clutch housing 2 on which a gear 1 as an input member is mounted, a clutch member 4 connected to a shaft 3 forming an output member, a pressure plate 5, an intermediate member 10, driving clutch plates 6 connected to the clutch housing 2, driven clutch plates 7 connected to the intermediate member 10, clutch springs Sa, Sb acting as an urging devices, a back-torque limiting cam (clutch member-side cam surfaces 12a and intermediate member-side cam surfaces 14a), and moving members 15 acting as an urging force cut-off device.
  • same reference numerals are used for designating same parts of the first embodiment as those used in it and thus detailed description of them will be omitted.
  • a stay L' as the securing device of this embodiment is made of an annular metallic member formed with apertures H which are at positions corresponding to the recessed portions 5a of the pressure member 5 as shown in Figs. 13 and 14 and adapted to be secured on the projected ends of the boss portions 4a projected from the clutch member 4 by the bolts B.
  • a step L'a is formed in a position between mutually adjacent apertures H (i.e. between the aperture H corresponding to the recessed portion 5a for receiving the clutch spring Sa and the aperture H corresponding to the recessed portion 5a for receiving the clutch spring Sb) to form a difference in height between them.
  • the provision of the steps L'a enables to set the position of a surface in which the aperture H corresponding to the clutch spring Sb is formed nearer to the pressure member 5 than that of a surface in which the aperture H corresponding to the clutch spring Sa is formed. This also enables to make a difference in the urging force of the clutch springs Sa, Sb by the height of the step L'a although when same coil springs are used for the clutch springs Sa, Sb.
  • a power transmitting apparatus of the third embodiment of the present invention is intended to be mounted on a vehicle such as a motorcycle and to arbitrarily transmit or cut-off the driving power of an engine to or from a transmission or driving wheel. As shown in Figs.
  • the power transmitting apparatus of the present invention mainly comprises a clutch housing 2 on which a gear 1 as an input member is mounted, a clutch member 4 connected to a shaft 3 forming an output member, a pressure plate 5, an intermediate member 10, driving clutch plates 6 connected to the clutch housing 2, driven clutch plates 7 connected to the intermediate member 10, clutch springs Sa, Sb acting as an urging devices, a back-torque limiting cam (clutch member-side cam surfaces 12a and intermediate member-side cam surfaces 14a), and moving members 15' acting as an urging force cut-off device.
  • same reference numerals are used for designating same parts of the first and second embodiments as those used in them and thus detailed description of them will be omitted.
  • each moving member 15' of this embodiment is formed of a plate member to be received in the recessed portion 5a.
  • This moving member 15' is interposed between the inner ends of the particular urging devices (clutch springs Sb) and the pressure member 5 and may separate the inner ends of the particular urging devices (clutch springs Sb) from the pressure member 5 with being pressed by the intermediate member 10 when the intermediate member 10 is moved toward the pressure member 5 by the cam action of the back-torque limiting cam.
  • bolts Ba are secured on the cam forming member 14 of the intermediate member 10 at positions corresponding to the openings 5aa of the recessed portions 5a receiving the particular urging devices (clutch springs Sb) and the heads of bolts Ba are adapted to enter into the recessed portions 5a through the openings 5aa when the intermediate member 10 is moved toward the pressure member 5 by the cam action of the back-torque limiting cam.
  • the inner ends of the clutch springs Sb are separated from the bottoms of the recessed portions 5a of the pressure member 5.
  • each moving member 15' is formed of a plate member, it is possible to form the moving member 15' easily and inexpensively as compared with molded or press formed parts such as those in the embodiments 1 and 2.
  • urging force cut-off device may be used in place of the moving members 15, 15' if the urging force cut-off device are those which may cut-off the urging force applied to the pressure member 5 from the particular urging devices (clutch springs Sb) by separating the inner ends of the particular urging devices (clutch springs Sb) of the plurality of urging devices (clutch springs Sa, Sb) from the pressure member 5 when the intermediate member 10 is moved toward the pressure member 5 by the cam action of the back-torque limiting cam.
  • the power transmitting apparatus of the present invention is provided with six (6) urging devices and three (3) of them are particular urging devices, the number of the total urging devices and the particular urging devices may be arbitrarily selected.
  • the power transmitting apparatus of the present invention may be applied to power transmitting apparatus of a multiple disc clutch type for automobiles, three-wheeled or four-wheeled buggies or general purpose machines other than motorcycles.
  • the power transmitting apparatus of the present invention may be applied to any power transmitting apparatus having different external configurations or additional functions if it is provided with the urging force cut-off device for cutting-off the urging force applied to the pressure member from the particular urging devices by separating the inner ends of the particular urging devices of the plurality of urging devices when the intermediate member is moved toward the pressure member by the cam action of the back-torque limiting cam.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mechanical Operated Clutches (AREA)
  • One-Way And Automatic Clutches, And Combinations Of Different Clutches (AREA)
EP11737048.6A 2010-01-27 2011-01-26 Leistungsübertragungsvorrichtung Not-in-force EP2530348B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2010014917A JP5502507B2 (ja) 2010-01-27 2010-01-27 動力伝達装置
PCT/JP2011/051488 WO2011093335A1 (ja) 2010-01-27 2011-01-26 動力伝達装置

Publications (3)

Publication Number Publication Date
EP2530348A1 true EP2530348A1 (de) 2012-12-05
EP2530348A4 EP2530348A4 (de) 2014-05-21
EP2530348B1 EP2530348B1 (de) 2018-04-25

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP11737048.6A Not-in-force EP2530348B1 (de) 2010-01-27 2011-01-26 Leistungsübertragungsvorrichtung

Country Status (5)

Country Link
US (1) US8627938B2 (de)
EP (1) EP2530348B1 (de)
JP (1) JP5502507B2 (de)
CN (1) CN102725553B (de)
WO (1) WO2011093335A1 (de)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3660348A4 (de) * 2017-07-27 2021-03-10 Kabushiki Kaisha F.C.C. Leistungsübertragungsvorrichtung
EP3633220A4 (de) * 2017-06-01 2021-03-10 Kabushiki Kaisha F.C.C. Kupplungsvorrichtung
CN113167335A (zh) * 2018-12-05 2021-07-23 株式会社F.C.C. 动力传递装置
IT202000005533A1 (it) * 2020-03-16 2021-09-16 Piaggio & C Spa Frizione
EP3739231A4 (de) * 2018-01-11 2021-09-29 Kabushiki Kaisha F.C.C. Leistungsübertragungsvorrichtung
EP3767121A4 (de) * 2018-03-16 2021-12-08 Kabushiki Kaisha F.C.C. Kupplungsvorrichtung

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5502507B2 (ja) 2010-01-27 2014-05-28 株式会社エフ・シー・シー 動力伝達装置
JP5847551B2 (ja) 2011-11-17 2016-01-27 株式会社エフ・シー・シー クラッチ装置
JP5854900B2 (ja) 2012-03-16 2016-02-09 株式会社エフ・シー・シー 動力伝達装置
US9157488B2 (en) 2012-03-29 2015-10-13 Honda Motor Co., Ltd. Clutch apparatus
JP2014224580A (ja) * 2013-05-17 2014-12-04 株式会社エクセディ モータサイクル用クラッチ装置
EP3069034B1 (de) * 2013-11-13 2017-12-13 Schaeffler Technologies AG & Co. KG Rampensystem zum betätigen einer reibungskupplung
ITBO20130672A1 (it) * 2013-12-02 2015-06-03 Christian Murari Dispositivo per il disinnesto automatico di una frizione in un sistema motore, frizione e cambio di velocita'
EP3181933B1 (de) 2014-08-12 2019-10-09 Kabushiki Kaisha F.C.C. Leistungsübertragungsvorrichtung
DE102015202039B4 (de) * 2015-02-05 2017-01-05 Schaeffler Technologies AG & Co. KG Kupplungseinrichtung und Antriebsstrang mit einer Kupplungseinrichtung
JP2018054093A (ja) * 2016-09-30 2018-04-05 株式会社エクセディ モータサイクル用クラッチ装置
JP6719713B2 (ja) * 2016-11-24 2020-07-08 有限会社萬羽 オートバイ用の多板クラッチ、及びオートバイ用の多板クラッチのストッパープレート
CN106838055B (zh) * 2016-12-23 2019-11-26 陕西国力信息技术有限公司 一种前进挡-倒挡变换离合器
CN106641022A (zh) * 2016-12-23 2017-05-10 陕西国力信息技术有限公司 摩擦片式周布螺旋面压紧超越离合器
JP6961427B2 (ja) * 2017-09-01 2021-11-05 株式会社エフ・シー・シー 動力伝達装置
JP6502443B2 (ja) * 2017-09-01 2019-04-17 株式会社エフ・シー・シー 動力伝達装置
JP6903020B2 (ja) * 2018-01-11 2021-07-14 株式会社エフ・シー・シー 動力伝達装置
WO2020056704A1 (zh) 2018-09-21 2020-03-26 弘正科技股份有限公司 增强扭矩及防止锁死的离合器
JP7149827B2 (ja) * 2018-12-05 2022-10-07 株式会社エフ・シー・シー 動力伝達装置
CN113294088A (zh) * 2021-05-19 2021-08-24 西门子工厂自动化工程有限公司 反扭矩释放方法及装置

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EP3892881A1 (de) * 2017-06-01 2021-10-13 Kabushiki Kaisha F.C.C. Kupplungsvorrichtung
EP3633220A4 (de) * 2017-06-01 2021-03-10 Kabushiki Kaisha F.C.C. Kupplungsvorrichtung
US11215236B2 (en) 2017-06-01 2022-01-04 Kabushiki Kaisha F.C.C. Clutch device
US11391328B2 (en) 2017-07-27 2022-07-19 Kabushiki Kaisha F.C.C. Power transmitting apparatus
EP3660348A4 (de) * 2017-07-27 2021-03-10 Kabushiki Kaisha F.C.C. Leistungsübertragungsvorrichtung
EP3739231A4 (de) * 2018-01-11 2021-09-29 Kabushiki Kaisha F.C.C. Leistungsübertragungsvorrichtung
US11231074B2 (en) 2018-03-16 2022-01-25 Kabushiki Kaisha F.C.C. Clutch device
EP3767121A4 (de) * 2018-03-16 2021-12-08 Kabushiki Kaisha F.C.C. Kupplungsvorrichtung
CN113167335A (zh) * 2018-12-05 2021-07-23 株式会社F.C.C. 动力传递装置
EP3892879A4 (de) * 2018-12-05 2022-09-07 Kabushiki Kaisha F.C.C. Stromübertragungsvorrichtung
CN113167335B (zh) * 2018-12-05 2023-04-11 株式会社F.C.C. 动力传递装置
WO2021186293A1 (en) * 2020-03-16 2021-09-23 Piaggio & C. S.P.A. Clutch
IT202000005533A1 (it) * 2020-03-16 2021-09-16 Piaggio & C Spa Frizione

Also Published As

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WO2011093335A1 (ja) 2011-08-04
CN102725553B (zh) 2015-04-08
JP2011153655A (ja) 2011-08-11
US20130025997A1 (en) 2013-01-31
CN102725553A (zh) 2012-10-10
EP2530348B1 (de) 2018-04-25
US8627938B2 (en) 2014-01-14
EP2530348A4 (de) 2014-05-21
JP5502507B2 (ja) 2014-05-28

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